<!DOCTYPE HTML>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>PathFinding.js</title>
    <style type="text/css">
        body {
            background: #333;
        }

        #main {
            color: #fff;
            position: absolute;
            left: 50%;
            width: 500px;
            text-align: center;
            margin-left: -250px;
            margin-top: 200px;
            padding: 20px;
        }
    </style>
</head>
<body>
    <div id="main">
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    </div>
</body>
</html>
